20051041263366 has 32 divisors (see below), whose sum is σ = 40857624460800. Its totient is φ = 6558837655904.

The previous prime is 20051041263361. The next prime is 20051041263371. The reversal of 20051041263366 is 66336214015002.

It is an interprime number because it is at equal distance from previous prime (20051041263361) and next prime (20051041263371).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20051041263361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135036990 + ... + 135185393.

It is an arithmetic number, because the mean of its divisors is an integer number (1276800764400).

Almost surely, 2^{20051041263366} is an apocalyptic number.

20051041263366 is an abundant number, since it is smaller than the sum of its proper divisors (20806583197434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20051041263366 is a wasteful number, since it uses less digits than its factorization.

20051041263366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270222620.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 20051041263366 its reverse (66336214015002), we get a palindrome (86387255278368).

The spelling of 20051041263366 in words is "twenty trillion, fifty-one billion, forty-one million, two hundred sixty-three thousand, three hundred sixty-six".